Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-x / (1 + x)^2) / (1 + x)^2 ).
A380778
Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-x / (1 + x)^2) / (1 + x)^2 ).
Terms
- a(0) =1a(1) =3a(2) =21a(3) =238a(4) =3777a(5) =77616a(6) =1966381a(7) =59379888a(8) =2085295617a(9) =83580555520
External references
- oeis: A380778